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Biology : Recent Questions and Answers (Page 28)

Find answers to your questions about Biology or help others by answering their Biology questions.

How do Human Skin Creases Vary?

I am studying human gross anatomy in order to produce an anatomically correct CGI model of the human body. As part of this, I'm attempting to understand the different features...

Asked on 07/07/2021 by smallobsession

0 answer

Coronary circulation

It is said that the coronary artery that gives the posterior descending artery(PDA) determines if the heart is right dominant(most cases) or left dominant. Is there any reason to this?...

Asked on 07/06/2021 by ADP

1 answer

How the vaccine based on "non replicating viral vector" is produced?

As I understand, this kind of vaccine is a virus that can infect the cell, start synthesis of proteins encoded by its genome, but cannot finish the replication cycle...

Asked on 07/06/2021 by h22

1 answer

Are there any fluorescent proteins capable of transforming 500-600 nm light to 400-500 or 600-700 nm?

In order to improve photosynthesis, which doesn't use 500-600 nm light, I wonder if that light can be transformed into useful light? The idea is to transfect photosynthesis organisms with...

Asked on 07/06/2021

0 answer

What is this fossilized claw found in a Belgian forest?

What is this fossilized claw found in a Belgian forest? It is 14.5 cm long and 2.5 cm in diameter. ...

Asked on 07/05/2021

2 answer

The average of Ct values in real-time PCR

The Ct value is the number of cycles when the "PCR amplification curve with the horizontal axis as the number of cycles" and the "predetermined threshold" intersect, and is not...

Asked on 07/05/2021

0 answer

What is this species of bacteria?

Can I ask what is the species of this bacteria? A comment there says that it is probably E. coli. Disclaimer: I don't have an idea about...

Asked on 07/05/2021

0 answer

How do the flowers of Diphylleia grayi become transparent after rain?

Known as the skeleton flower, its flowers turn transparent in rain. How does it do so? How can it gain transparency in rain when water is already present in flower?...

Asked on 07/04/2021 by user30561

1 answer

Understanding entropy and the second law of thermodynamics as involved in metabolic processes

My AP biology textbook, (the 10th edition of Campbell Biology) states entropy as being the disorder or randomness of the atoms involved in any matter, but Khan Academy says that...

Asked on 07/02/2021 by Clay A.

2 answer

Why are there exactly four nucleobases in DNA?

Does someone know why DNA is composed of four nucleobases? In particular, is there an explanation for the number? Why four and not two, or eight?...

Asked on 07/02/2021 by tunnuz

7 answer

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